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ICSE Question Bank
2026Q2(i)(a)Arithmetic Progression
NumericalModerate2 marks
2(i)

The fourth and seventh terms of an Arithmetic Progression (A.P.) are 60 and 114 respectively. Find the :

first term and common difference.

Topic: Arithmetic progression

Previous-year question practice database

Answer

Exam answer

First term a = 6; common difference d = 18.

Explanation

T₄=a+3d=60 and T₇=a+6d=114. Subtract:3d=54 ⇒d=18; then a=6.

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